1582 search results - page 235 / 317 » On sparse signal representations |
IPSN
2007
Springer
15 years 4 months ago
2007
Springer
We consider the problem of approximating a family of isocontours in a sensor field with a topologically-equivalent family of simple polygons. Our algorithm is simple and distribu...
FGR
2000
IEEE
15 years 2 months ago
2000
IEEE
Low-dimensional representations of sensory signals are key to solving many of the computational problems encountered in high-level vision. Principal Component Analysis (PCA) has b...
CVPR
2010
IEEE
14 years 9 months ago
2010
IEEE
We examine the problem of large scale nearest neighbor search in high dimensional spaces and propose a new approach based on the close relationship between nearest neighbor search...
JVCIR
2010
14 years 8 months ago
2010
Efficient representation of images usually leads to improvements in storage efficiency, computational complexity and performance of image processing algorithms. Efficient represe...
IJON
2007
14 years 9 months ago
2007
Experimental and computational studies suggest that complex motor behavior is based on simpler spatiotemporal primitives, or synergies. This has been demonstrated by application o...